Question

CHOOSE THE BEST ANSWER
1 Cacha+2AgNO
3 2A80& + Ca(NO3)2
ARC CN
C) AgC & CalNoob
d) None of the above
2. The unit of rate of a reaction is
a) dm /mol
b) dm
3. The chemical formula of limestone is
aCaco
b) MgCo.
ca.co
4. The metathesis reaction among the following is
a) CH-502
300 + 4H2O + Heat
b) Zn+CuSO
Znso
c) HNO-NHOH
NHANDO
5. The addic solution among the following is
a sea water
b) coffee c) lime water
6. A chemical equation provides information on the
al Chemical state b) solid state physical state
of the substance
All of the above​

Answer 1

The unit of rate of a reaction is

➡➡➡➡➡➡Reaction rates are usually expressed as the concentration of reactant consumed or the concentration of product formed per unit time. The units are thus moles per liter per unit time, written as M/s, M/min, or M/h.➡➡➡➡

Answer 2

Answer:

. The chemical formula of limestone is

aCaco